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| 1 /* | |
| 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef SQLiteStatement_h | |
| 27 #define SQLiteStatement_h | |
| 28 | |
| 29 #include "core/platform/sql/SQLiteDatabase.h" | |
| 30 | |
| 31 struct sqlite3_stmt; | |
| 32 | |
| 33 namespace WebCore { | |
| 34 | |
| 35 class SQLValue; | |
| 36 | |
| 37 class SQLiteStatement { | |
| 38 WTF_MAKE_NONCOPYABLE(SQLiteStatement); WTF_MAKE_FAST_ALLOCATED; | |
| 39 public: | |
| 40 SQLiteStatement(SQLiteDatabase&, const String&); | |
| 41 ~SQLiteStatement(); | |
| 42 | |
| 43 int prepare(); | |
| 44 int bindBlob(int index, const void* blob, int size); | |
| 45 int bindBlob(int index, const String&); | |
| 46 int bindText(int index, const String&); | |
| 47 int bindInt(int index, int); | |
| 48 int bindInt64(int index, int64_t); | |
| 49 int bindDouble(int index, double); | |
| 50 int bindNull(int index); | |
| 51 int bindValue(int index, const SQLValue&); | |
| 52 unsigned bindParameterCount() const; | |
| 53 | |
| 54 int step(); | |
| 55 int finalize(); | |
| 56 int reset(); | |
| 57 | |
| 58 int prepareAndStep() { if (int error = prepare()) return error; return step(
); } | |
| 59 | |
| 60 // prepares, steps, and finalizes the query. | |
| 61 // returns true if all 3 steps succeed with step() returning SQLITE_DONE | |
| 62 // returns false otherwise | |
| 63 bool executeCommand(); | |
| 64 | |
| 65 // prepares, steps, and finalizes. | |
| 66 // returns true is step() returns SQLITE_ROW | |
| 67 // returns false otherwise | |
| 68 bool returnsAtLeastOneResult(); | |
| 69 | |
| 70 bool isExpired(); | |
| 71 | |
| 72 // Returns -1 on last-step failing. Otherwise, returns number of rows | |
| 73 // returned in the last step() | |
| 74 int columnCount(); | |
| 75 | |
| 76 bool isColumnNull(int col); | |
| 77 bool isColumnDeclaredAsBlob(int col); | |
| 78 String getColumnName(int col); | |
| 79 SQLValue getColumnValue(int col); | |
| 80 String getColumnText(int col); | |
| 81 double getColumnDouble(int col); | |
| 82 int getColumnInt(int col); | |
| 83 int64_t getColumnInt64(int col); | |
| 84 const void* getColumnBlob(int col, int& size); | |
| 85 String getColumnBlobAsString(int col); | |
| 86 void getColumnBlobAsVector(int col, Vector<char>&); | |
| 87 | |
| 88 bool returnTextResults(int col, Vector<String>&); | |
| 89 bool returnIntResults(int col, Vector<int>&); | |
| 90 bool returnInt64Results(int col, Vector<int64_t>&); | |
| 91 bool returnDoubleResults(int col, Vector<double>&); | |
| 92 | |
| 93 SQLiteDatabase* database() { return &m_database; } | |
| 94 | |
| 95 const String& query() const { return m_query; } | |
| 96 | |
| 97 private: | |
| 98 SQLiteDatabase& m_database; | |
| 99 String m_query; | |
| 100 sqlite3_stmt* m_statement; | |
| 101 #ifndef NDEBUG | |
| 102 bool m_isPrepared; | |
| 103 #endif | |
| 104 }; | |
| 105 | |
| 106 } // namespace WebCore | |
| 107 | |
| 108 #endif // SQLiteStatement_h | |
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